SFIX

SEC source: 0001628280-26-062738 · wk-form4_1789763025.xml · derivative · entry 3

Baer Matt · CIK 0001982002 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 725,578

Underlying: Class A Common Stock · 61,452 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

F3 · derivative.expiration_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

SEC source: 0001628280-26-062738 · wk-form4_1789763025.xml · nonDerivative · entry 2

Baer Matt · CIK 0001982002 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,956,130

F2 · shares: Represents shares that have been withheld by the Company to satisfy tax withholding obligations in connection with the vesting of PSUs and restricted stock units.

SEC source: 0001628280-26-062738 · wk-form4_1789763025.xml · nonDerivative · entry 1

Baer Matt · CIK 0001982002 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,071,192

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001628280-26-062737 · wk-form4_1789763014.xml · derivative · entry 3

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,196

Underlying: Class A Common Stock · 25,284 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

F3 · derivative.expiration_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

SEC source: 0001628280-26-062737 · wk-form4_1789763014.xml · nonDerivative · entry 2

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 428,903

F2 · shares: Represents shares that have been withheld by the Company to satisfy tax withholding obligations in connection with the vesting of PSUs and restricted stock units.

SEC source: 0001628280-26-062737 · wk-form4_1789763014.xml · nonDerivative · entry 1

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 454,902

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001628280-26-062736 · wk-form4_1789763004.xml · derivative · entry 3

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 175,687

Underlying: Class A Common Stock · 43,895 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

F3 · derivative.expiration_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

SEC source: 0001628280-26-062736 · wk-form4_1789763004.xml · nonDerivative · entry 2

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,083,599

F2 · shares: Represents shares that have been withheld by the Company to satisfy tax withholding obligations in connection with the vesting of PSUs and restricted stock units.

SEC source: 0001628280-26-062736 · wk-form4_1789763004.xml · nonDerivative · entry 1

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,146,264

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001628280-26-053543 · wk-form4_1785964647.xml · derivative · entry 4

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 322,543

Underlying: Class A Common Stock · 50,000 shares

Expires 2034-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F4 · derivative.exercise_date: 25% of the shares subject to the Option vested on June 12, 2024. The remaining shares subject to the Option shall vest as follows: 25% of the shares in equal quarterly installments over the next two (2) quarterly vesting dates; 33 1/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates; and 16 2/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates, subject to the recipient's continuous service through each vesting date.

SEC source: 0001628280-26-053543 · wk-form4_1785964647.xml · nonDerivative · entry 3

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 951,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.035 to $4.145 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-053543 · wk-form4_1785964647.xml · nonDerivative · entry 2

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 971,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.035 to $4.135 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-053543 · wk-form4_1785964647.xml · nonDerivative · entry 1

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,021,994

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

SEC source: 0001628280-26-050621 · wk-form4_1785356136.xml · derivative · entry 4

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 372,543

Underlying: Class A Common Stock · 50,000 shares

Expires 2034-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F4 · derivative.exercise_date: 25% of the shares subject to the Option vested on June 12, 2024. The remaining shares subject to the Option shall vest as follows: 25% of the shares in equal quarterly installments over the next two (2) quarterly vesting dates; 33 1/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates; and 16 2/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates, subject to the recipient's continuous service through each vesting date.

SEC source: 0001628280-26-050621 · wk-form4_1785356136.xml · nonDerivative · entry 3

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 971,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.645 to $3.765 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-050621 · wk-form4_1785356136.xml · nonDerivative · entry 2

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 991,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.65 to $3.825 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-050621 · wk-form4_1785356136.xml · nonDerivative · entry 1

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,041,994

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

SEC source: 0001628280-26-049004 · wk-form4_1784665266.xml · derivative · entry 4

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 422,543

Underlying: Class A Common Stock · 50,000 shares

Expires 2034-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F4 · derivative.exercise_date: 25% of the shares subject to the Option vested on June 12, 2024. The remaining shares subject to the Option shall vest as follows: 25% of the shares in equal quarterly installments over the next two (2) quarterly vesting dates; 33 1/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates; and 16 2/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates, subject to the recipient's continuous service through each vesting date.

SEC source: 0001628280-26-049004 · wk-form4_1784665266.xml · nonDerivative · entry 3

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 991,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.735 to $3.84 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-049004 · wk-form4_1784665266.xml · nonDerivative · entry 2

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,011,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.74 to $3.84 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-049004 · wk-form4_1784665266.xml · nonDerivative · entry 1

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,061,994

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

SEC source: 0001628280-26-048858 · wk-form4_1784583670.xml · nonDerivative · entry 1

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 429,618

F1 · kind: Shares were disposed of pursuant to a Rule 10b5-1 plan entered into on January 9, 2026.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.86 to $3.975 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-048161 · wk-form4_1784061015.xml · derivative · entry 4

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 472,543

Underlying: Class A Common Stock · 50,000 shares

Expires 2034-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F3 · derivative.exercise_date: 25% of the shares subject to the Option vested on June 12, 2024. The remaining shares subject to the Option shall vest as follows: 25% of the shares in equal quarterly installments over the next two (2) quarterly vesting dates; 33 1/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates; and 16 2/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates, subject to the recipient's continuous service through each vesting date.

SEC source: 0001628280-26-048161 · wk-form4_1784061015.xml · nonDerivative · entry 3

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,011,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.57 to $3.66 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-048161 · wk-form4_1784061015.xml · nonDerivative · entry 2

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,031,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.57 to $3.66 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-048161 · wk-form4_1784061015.xml · nonDerivative · entry 1

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,081,994

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

SEC source: 0001628280-26-047702 · wk-form4_1783548182.xml · derivative · entry 4

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 522,543

Underlying: Class A Common Stock · 50,000 shares

Expires 2034-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F4 · derivative.exercise_date: 25% of the shares subject to the Option vested on June 12, 2024. The remaining shares subject to the Option shall vest as follows: 25% of the shares in equal quarterly installments over the next two (2) quarterly vesting dates; 33 1/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates; and 16 2/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates, subject to the recipient's continuous service through each vesting date.

SEC source: 0001628280-26-047702 · wk-form4_1783548182.xml · nonDerivative · entry 3

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,031,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.71 to $3.84 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-047702 · wk-form4_1783548182.xml · nonDerivative · entry 2

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,051,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.705 to $3.845 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-047702 · wk-form4_1783548182.xml · nonDerivative · entry 1

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,101,994

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

SEC source: 0001628280-26-047704 · wk-form4_1783548362.xml · nonDerivative · entry 1

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,102,369

F1 · kind: Shares were disposed of pursuant to a Rule 10b5-1 plan entered into on January 6, 2026.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.705 to $3.845 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-046637 · wk-form4_1782944088.xml · derivative · entry 6

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 572,543

Underlying: Class A Common Stock · 50,000 shares

Expires 2034-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F4 · derivative.exercise_date: 25% of the shares subject to the Option vested on June 12, 2024. The remaining shares subject to the Option shall vest as follows: 25% of the shares in equal quarterly installments over the next two (2) quarterly vesting dates; 33 1/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates; and 16 2/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates, subject to the recipient's continuous service through each vesting date.

SEC source: 0001628280-26-046637 · wk-form4_1782944088.xml · derivative · entry 5

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 502,532

Underlying: Class A Common Stock · 11 shares

Expires 2033-12-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F4 · derivative.exercise_date: 25% of the shares subject to the Option vested on June 12, 2024. The remaining shares subject to the Option shall vest as follows: 25% of the shares in equal quarterly installments over the next two (2) quarterly vesting dates; 33 1/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates; and 16 2/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates, subject to the recipient's continuous service through each vesting date.

SEC source: 0001628280-26-046637 · wk-form4_1782944088.xml · nonDerivative · entry 4

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,051,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.35 to $4.51 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-046637 · wk-form4_1782944088.xml · nonDerivative · entry 3

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,102,005

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.35 to $4.495 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-046637 · wk-form4_1782944088.xml · nonDerivative · entry 2

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,122,005

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

SEC source: 0001628280-26-046637 · wk-form4_1782944088.xml · nonDerivative · entry 1

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,072,005

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

SEC source: 0001628280-26-045758 · wk-form4_1782504754.xml · derivative · entry 3

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 502,543

Underlying: Class A Common Stock · 100,000 shares

Expires 2033-12-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F3 · derivative.exercise_date: 25% of the shares subject to the Option vested on June 12, 2024. The remaining shares subject to the Option shall vest as follows: 25% of the shares in equal quarterly installments over the next two (2) quarterly vesting dates; 33 1/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates; and 16 2/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates, subject to the recipient's continuous service through each vesting date.

SEC source: 0001628280-26-045758 · wk-form4_1782504754.xml · nonDerivative · entry 2

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,071,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.50 to $4.515 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-045758 · wk-form4_1782504754.xml · nonDerivative · entry 1

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,171,994

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

SEC source: 0001628280-26-045045 · wk-form4_1782308058.xml · derivative · entry 4

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 622,543

Underlying: Class A Common Stock · 50,000 shares

Expires 2034-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F4 · derivative.exercise_date: 25% of the shares subject to the Option vested on June 12, 2024. The remaining shares subject to the Option shall vest as follows: 25% of the shares in equal quarterly installments over the next two (2) quarterly vesting dates; 33 1/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates; and 16 2/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates, subject to the recipient's continuous service through each vesting date.

SEC source: 0001628280-26-045045 · wk-form4_1782308058.xml · nonDerivative · entry 3

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,071,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.905 to $4.115 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-045045 · wk-form4_1782308058.xml · nonDerivative · entry 2

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,091,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.89 to $4.115 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-26-045045 · wk-form4_1782308058.xml · nonDerivative · entry 1

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,141,994

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

SEC source: 0001628280-26-044763 · wk-form4_1782171607.xml · derivative · entry 3

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 219,582

Underlying: Class A Common Stock · 43,895 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

F3 · derivative.expiration_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

SEC source: 0001628280-26-044763 · wk-form4_1782171607.xml · nonDerivative · entry 2

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,091,994

F2 · shares: Represents shares that have been withheld by the Company to satisfy tax withholding obligation in connection with the vesting of restricted stock units.

SEC source: 0001628280-26-044763 · wk-form4_1782171607.xml · nonDerivative · entry 1

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,129,004

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001628280-26-044759 · wk-form4_1782169651.xml · derivative · entry 3

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 219,582

Underlying: Class A Common Stock · 43,895 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

F3 · derivative.expiration_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

SEC source: 0001628280-26-044759 · wk-form4_1782169651.xml · nonDerivative · entry 2

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,170,329

F2 · shares: Represents shares that have been withheld by the Company to satisfy tax withholding obligation in connection with the vesting of restricted stock units.

SEC source: 0001628280-26-044759 · wk-form4_1782169651.xml · nonDerivative · entry 1

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,221,932

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.